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Metal-Oxide-Semiconductor Field-Effect Transistor, a type of field-effect transistor (FET). MOSFETs have an insulated gate, the voltage of which determines the conductivity of the device. This can be used for amplifying or switching electronic signals. (From: Wikipedia)

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MOSFET getting hot. Is it normal?

My thermal cam shows the MOSFET at 108 degees C after 60 seconds with PWM control running at 40% duty. Is this expected? … MOSFET I am using is a IRLB8743PbF Using the provided excel calculator sheet, I plugged in my values: Calculator shows these outputs, so I am wondering if it's ok. …
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